This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 61 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 61 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In DNA, what determines how different proteins are made? A) The type of sugar. B) The number of strands. C) The number of bases. D) The order of the bases. Show Answer Correct Answer: D) The order of the bases. 2. Gel electrophoresis enables scientists to A) Separate DNA fragments. B) Combine DNA fragments. C) Count the genes in DNA. D) Insert DNA in cells. Show Answer Correct Answer: A) Separate DNA fragments. 3. What enzyme cleaves the hook? A) RNAse H. B) S1 nuclease. C) DNAse 1. D) Terminal transferase. Show Answer Correct Answer: B) S1 nuclease. 4. A sticky end is formed by the use of the following enzyme A) EcoR1. B) Ligase. C) DNA polymerase. D) Reverse transcriptase. Show Answer Correct Answer: A) EcoR1. 5. Which enzyme used in PCR is also used in DNA replication? A) Helicase. B) Primase. C) DNA Polymerase. D) Ligase. Show Answer Correct Answer: C) DNA Polymerase. 6. Causes lipids to accumulate in the central nervous system A) Polydactyly. B) Tay-Sachs. C) Sickle-Cell Anemia. D) Huntington's Disease. Show Answer Correct Answer: B) Tay-Sachs. 7. A product of genetic engineering technology is representedbelow.Which substance was needed to join the insulin gene to thebacterial DNA as shown? A) A specific carbohydrate. B) A specific enzyme. C) Hormones. D) Antibodies. Show Answer Correct Answer: B) A specific enzyme. 8. True or False:Gel electrophoresis allow scientist to compare DNA of different individuals. A) True. B) False. Show Answer Correct Answer: A) True. 9. Gene therapy is when A) Genes are given as medicines. B) Proteins are used to make genes. C) New genes are made in the body. D) Defective genes are replaced. Show Answer Correct Answer: D) Defective genes are replaced. 10. DNA has a ..... charge so fragments will move to a ..... end A) Negative, negative. B) Positive, positive. C) Negative, positive. D) Positive, negative. Show Answer Correct Answer: C) Negative, positive. 11. One function of gel electrophoresis is to A) Separate DNA fragments. B) Cut DNA. C) Recombinant DNA. D) Extract DNA. Show Answer Correct Answer: A) Separate DNA fragments. 12. Some genetically engineered animals become an important source of new drugs. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 13. A transgenic organism is ..... A) A cloned animal like Dolly. B) Any organism that has DNA from a different organism inserted into its DNA. C) What the human genome project created. D) A human that has any type of mutation in their DNA. Show Answer Correct Answer: B) Any organism that has DNA from a different organism inserted into its DNA. 14. Selective breeding is not possible without the wide ..... found in nature. A) Variation. B) Extraction. C) DNA sequence. D) Inbreeding. Show Answer Correct Answer: A) Variation. 15. What cell organelle is removed from a bacterial cell during Genetic Engineering? A) Nucleus. B) Plasmid. C) Chloroplast. D) Ribosome. Show Answer Correct Answer: B) Plasmid. 16. Why do scientists use bacteria to genetically modify a crop? A) Bacteria can cause disease (i.e. can attack!) in plants & easily enter the plant's cells. B) Bacteria has the ability to transfer a portion of its DNA into plant cells. C) The bacteria plasmid is a vector with the gene of interest & helps to incorporate its DNA with the crop's DNA. D) All of the above!. Show Answer Correct Answer: D) All of the above!. 17. There is a competition for available resources. A) Overproduction. B) Variation. C) Struggle to Survive. D) Survival of the Fittest. E) Inheritance of Traits. Show Answer Correct Answer: C) Struggle to Survive. 18. All dogs today are ancestors of A) Wolves. B) German Shepherds. C) Cocker Spaniels. D) Dingoes. Show Answer Correct Answer: A) Wolves. 19. What is a vector in genetic engineering? A) The organism that carries the foreign gene. B) Something that spreads disease. C) An enzyme that cuts DNA in a specific place. D) An object with direction & magnitude. Show Answer Correct Answer: A) The organism that carries the foreign gene. 20. What type of mutation occurs, when a base is subtracted from the sequence? A) Deletion. B) Insertion. C) Substitution. D) None of above. Show Answer Correct Answer: A) Deletion. ← PreviousNext →Related QuizzesBiotechnology QuizzesGenetic Engineering Quiz 1Genetic Engineering Quiz 2Genetic Engineering Quiz 3Genetic Engineering Quiz 4Genetic Engineering Quiz 5Genetic Engineering Quiz 6Genetic Engineering Quiz 7Genetic Engineering Quiz 8Genetic Engineering Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books